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Finding the Fourth Proportional to 335.84, 503.81 and 104.67

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Solution

The fourth proportional to 335.84, 503.81 and 104.67 is: 157.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.84 : 503.81 = 104.67 : x
  2. Step 2: Convert to fraction form
    335.84/503.81 = 104.67/x
  3. Step 3: Cross multiply
    335.84x = 503.81 × 104.67
  4. Step 4: Simplify right side
    335.84x = 52,733.79
  5. Step 5: Solve for x
    x = 52,733.79/335.84
  6. Step 6: Final answer
    x = 157.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.